YOU WILL FAIL THE EXAM _____ YOU STUDY HARD. A. AS B. UNLESS C...

câu 24. - DE KIEM TRA 1 TIET LAN 2
Tiếng Anh DE KIEM TRA 1 TIET LAN 2

Câu 24. You will fail the exam _____ you study hard.

A. as

B. unless

C. when

D. if